23013321231239 has 2 divisors, whose sum is σ = 23013321231240. Its totient is φ = 23013321231238.

The previous prime is 23013321231223. The next prime is 23013321231269. The reversal of 23013321231239 is 93213212331032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23013321231239 - 2⁴ = 23013321231223 is a prime.

It is a super-2 number, since 2×23013321231239² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23013321231199 and 23013321231208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23013321231209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506660615619 + 11506660615620.

It is an arithmetic number, because the mean of its divisors is an integer number (11506660615620).

Almost surely, 2^{23013321231239} is an apocalyptic number.

23013321231239 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013321231239 is an equidigital number, since it uses as much as digits as its factorization.

23013321231239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 23013321231239 in words is "twenty-three trillion, thirteen billion, three hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-nine".